Personalized 1st Birthday Sailing Boat Girls Women's V-Neck T-Shirt. 1st Birthday cute pink sailboat Women's V-Neck T-Shirt - White has design with I'm One slogan and number 1. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit